Fairlife milk is a premium product with a higher price tag, but its benefits justify the cost for many consumers. Price Comparison Fairlife milk: AUD 6.60 for a 52-ounce bottle. Regular milk: AUD 3.08 for a 64-ounce bottle. While Fairlife milk costs more, its longer shelf life and nutritional advantages make it a valuable investment for many. Shelf Life Advantages Stays fresh three times longer than regular milk when unopened. Maintains freshness for 14 days after opening. Reduces food waste due to its extended storage time.